text: import React from 'react';
  import PropTypes from 'prop-types';
  import styles from './styles';
  import { withStyles } from '@material-ui/core/styles';
  import Radio from '@material-ui/core/Radio';
  import RadioGroup from '@material-ui/core/RadioGroup';
  import FormHelperText from '@material-ui/core/FormHelperText';
  import FormControlLabel from '@material-ui/core/FormControlLabel';
  import FormControl from '@material-ui/core/FormControl';
  import FormLabel from '@material-ui/core/FormLabel';
  import Typography from '@material-ui/core/Typography';
  
  class ThemesContainer extends React.Component {
    constructor (props) {
      super(props);
      this._classes = this.props.classes;
      this.state = {
        value: 'light'
      };
      return ;
    }
    handleChange = (event) => {
      this.setState({ value: event.target.value });
      return ;
    }
    render () {
      return (
        <React.Fragment>
          <Typography>
            <h2>{ "Select a theme" }</h2>
          </Typography>
          <FormControl
            component={ "fieldset" }
            required={ true }
            error={ false }
            className={ this._classes.formControl }
          >
            <RadioGroup
              aria-label={ "themes" }
              name={ "theme" }
              value={ this.state.value }
              onChange={ this.handleChange }
            >
              <FormControlLabel
                value={ "light" }
                control=
                {
                  <Radio color={ "primary" } />
                }
                label={ "Light" }
                disabled={ false }
              />
              <FormControlLabel
                value={ "dark" }
                control=
                {
                  <Radio color={ "primary" } />
                }
                label={ "Dark" }
                disabled={ false }
              />
            </RadioGroup>
          </FormControl>
        </React.Fragment>
      );
    }
  }
  
  ThemesContainer.propTypes = {
    classes: PropTypes.object.isRequired,
  };
  
  export default withStyles(styles)(ThemesContainer);
  